The relationship between a person's height and the dimensions of that person's upper airways has been studied in adult subjects. Using this relationship, formulae have been derived which predict appropriate lengths for endotracheal tubes. The formulae are as follows:S b 'ect hei ht (cm) 1. Orotracheal tube (teeth to mid-point of trachea) = u'1

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The structure and function of the Anaesthetic Mortality Committee of Western Australia are described. Reports of 500 deaths from 1990 to 1995 are analysed and discussed. The Committee determined that, in 21 cases, anaesthesia played a significant part in the death of the patient. These cases are further analysed. Deaths due mainly to anaesthetic factors are estimated to occur once in every 40,000 operations in Western Australia. One or two otherwise healthy people die each year in Western Australia from an anaesthetic mishap.

Text or e-mail messages can provide timely notification of sexually transmitted disease results to patients. We assessed sexually transmitted disease clinic patient opinions about text/e-mail notification via a service called Chexout. Among 113 patients who opted in, the majority found results notification via texts/e-mails to be satisfactory (99.0%) and easy (92.9%).

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